Track and report write throughput for shuffle tasks.
Adding option to force sync to the filesystem
Trying new approach with writes
Perf benchmark
Minor cleanup
Making the timing block more narrow for the sync
Add new SBT target for dependency assembly
Add a comment and exclude tools
Upgrade Kafka 0.7.2 to Kafka 0.8.0-beta1 for Spark Streaming
SPARK-627 - reading --config argument
Merge branch 'master' of https://github.com/apache/incubator-spark

Updating local branch
Merge branch 'master' of https://github.com/apache/incubator-spark into sbt-assembly-deps
mqttinputdstream for mqttstreaming adapter
added mqtt adapter
added mqtt adapter library dependencies
added mqtt adapter wordcount example
add maven dependencies for mqtt
add maven dependencies for mqtt
Exclude assembly jar from classpath if using deps
Rename SBT target to assemble-deps.